Description The pen style cleaning brush is made of premium material, and practical. Turn the end to change length and firmness of bristles. Great for circuit board cleaning, automotive rust remover, watch polishing, removing dirt and rust, car chip and scratch remover and more. Clean rings and other jewelry. Features - Color: Red. - Material: Nylon. - Size: About 11.30X1.10X1.10cm/4.44X0.43X0.43inch. - The cleaning pen will reduce the friction and dust between gears and prolong the using time of watches as well. - Manufactured with premium material for and long lasting use. - Cleaning metal accessories, good cleaning effect, let your device keep new. - Easy to use, simply apply on the pen tip and touch the part that need lubricant oil. - Great for use with watches, clocks, and .